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/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Splicing tests for the firmware image verification library.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "cryptolib.h"
#include "file_keys.h"
#include "firmware_image.h"
#include "test_common.h"
#include "utility.h"
#define ROOT_KEY_BASE_NAME "testkeys/key_rsa8192"
#define FIRMWARE_KEY_BASE_NAME "testkeys/key_rsa1024"
const char* kRootKeyPublicFile = ROOT_KEY_BASE_NAME ".keyb";
const char* kRootKeyFile = ROOT_KEY_BASE_NAME ".pem";
const char* kFirmwareKeyPublicFile = FIRMWARE_KEY_BASE_NAME ".keyb";
const char* kFirmwareKeyFile = FIRMWARE_KEY_BASE_NAME ".pem";
void VerifyFirmwareSplicingTest()
{
uint64_t len;
FirmwareImage* image1 = NULL;
FirmwareImage* image2 = NULL;
uint8_t* firmware_blob = NULL;
uint8_t* firmware_sign_key_buf = NULL;
RSAPublicKey* root_key = RSAPublicKeyFromFile(kRootKeyPublicFile);
uint8_t* root_key_blob = BufferFromFile(kRootKeyPublicFile, &len);
firmware_sign_key_buf= BufferFromFile(kFirmwareKeyPublicFile, &len);
image1 = GenerateTestFirmwareImage(0, /* RSA1024/SHA1 */
firmware_sign_key_buf,
1, /* Firmware Key Version. */
1, /* Firmware Version */
1000,
kRootKeyFile,
kFirmwareKeyFile,
'F'); /* Firmware data fill. */
image2 = GenerateTestFirmwareImage(0, /* RSA1024/SHA1 */
firmware_sign_key_buf,
1, /* Firmware Key Version. */
2, /* Firmware Version */
1000,
kRootKeyFile,
kFirmwareKeyFile,
'G'); /* Different Firmware data fill. */
/* Verify that the originals verify. */
TEST_EQ(VerifyFirmwareImage(root_key, image1),
VERIFY_FIRMWARE_SUCCESS,
"FirmwareImage firmware_data Original");
TEST_EQ(VerifyFirmwareImage(root_key, image2),
VERIFY_FIRMWARE_SUCCESS,
"FirmwareImage firmware_data Original");
/* Splice firmware_data + firmware signature from [image1]
* and put it into [image2]. */
Memcpy(image2->firmware_signature, image1->firmware_signature,
siglen_map[0]);
Memcpy(image2->firmware_data, image1->firmware_data,
image2->firmware_len);
TEST_EQ(VerifyFirmwareImage(root_key, image2),
VERIFY_FIRMWARE_SIGNATURE_FAILED,
"FirmwareImage firmware_data Splicing");
firmware_blob = GetFirmwareBlob(image2, &len);
TEST_EQ(VerifyFirmware(root_key_blob, firmware_blob, image2->firmware_data),
VERIFY_FIRMWARE_SIGNATURE_FAILED,
"Firmware Blob firmware_data Splicing");
}
int main(int argc, char* argv[])
{
int error_code = 0;
VerifyFirmwareSplicingTest();
if (!gTestSuccess)
error_code = 255;
return error_code;
}
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